Intel SG-81 - Manual (Page 40)

3-16 Chapter 3
OnChip PCI Device
Scroll to this item and press <Enter> to view the following screen:
OnChip USB Controller (Enabled)
Enable this item if you plan to use the Universal Serial Bus ports on this mainboard.
OnChip AC97 Controller (Enabled)
Enables or disables the onboard AC97 audio function. Disable this item if you are
going to install a PCI audio add-on card.
OnChip LAN Controller (Enabled)
Enables and disables the onboard LAN chip.
LAN Boot ROM (Disabled)
Use this item to enable and disable the booting from the onboard LAN or a network
add-in card with a remote boot ROM installed.
SG-80 Series